Has is a verb.
Has is the third person singular form of have. We use has when the subject of the sentence is a singular subject. eg
He has a new car. -- He = a singular subject
Compare that with this sentence -- They have a new car -- They = plural subject
The doctor has a new car. -- the doctor = singular subject
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "twirl" is a verb.
The part of speech for "explicit" is an adjective.
The part of speech for "indefinite" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "breezy" is an adjective.